/*
* Copyright 2013 eXo Platform SAS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package juzu.templating.mustache;
import com.github.mustachejava.DefaultMustacheFactory;
import com.github.mustachejava.DefaultMustacheVisitor;
import com.github.mustachejava.MustacheFactory;
import com.github.mustachejava.MustacheVisitor;
import com.github.mustachejava.TemplateContext;
import juzu.impl.common.Resource;
import juzu.impl.common.Timestamped;
import juzu.impl.template.spi.EmitContext;
import juzu.impl.template.spi.ParseContext;
import juzu.impl.template.spi.ProcessContext;
import juzu.impl.template.spi.TemplateModel;
import juzu.impl.template.spi.TemplateException;
import juzu.impl.template.spi.TemplateProvider;
import juzu.impl.template.spi.TemplateStub;
import juzu.impl.common.Path;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
/** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
public class TemplateProviderImpl extends TemplateProvider<MustacheContext> {
@Override
public Class<? extends TemplateStub> getTemplateStubType() {
return TemplateStubImpl.class;
}
@Override
public MustacheContext parse(ParseContext context, CharSequence source) {
return new MustacheContext(source.toString());
}
@Override
public void process(final ProcessContext context, final TemplateModel<MustacheContext> mustacheTemplateModel) {
// Nothing to do for now
// Visit the mustache
MustacheFactory factory = new DefaultMustacheFactory() {
@Override
public Reader getReader(String resourceName) {
Path.Relative partialPath = (Path.Relative)Path.parse(resourceName);
Timestamped<Resource> partial = context.resolveResource(partialPath);
if (partial != null) {
return new StringReader(partial.getObject().getCharSequence().toString());
} else {
return null;
}
}
public MustacheVisitor createMustacheVisitor() {
return new DefaultMustacheVisitor(this) {
@Override
public void pragma(TemplateContext templateContext, String pragma, String args) {
if ("param".equals(pragma)) {
mustacheTemplateModel.addParameter(args);
} else {
super.pragma(templateContext, pragma, args);
}
}
};
}
};
// Does the name count ?
factory.compile(new StringReader(mustacheTemplateModel.getModel().source), mustacheTemplateModel.getPath().getSimpleName());
}
@Override
public void emit(EmitContext context, TemplateModel<MustacheContext> templateModel) throws TemplateException, IOException {
}
@Override
public String getSourceExtension() {
return "mustache";
}
}